EP1069412A2 - Appareil de pesage pour peser des objets sur des véhicules - Google Patents

Appareil de pesage pour peser des objets sur des véhicules Download PDF

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Publication number
EP1069412A2
EP1069412A2 EP00114642A EP00114642A EP1069412A2 EP 1069412 A2 EP1069412 A2 EP 1069412A2 EP 00114642 A EP00114642 A EP 00114642A EP 00114642 A EP00114642 A EP 00114642A EP 1069412 A2 EP1069412 A2 EP 1069412A2
Authority
EP
European Patent Office
Prior art keywords
weighing
parts
weighing device
force
weight
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP00114642A
Other languages
German (de)
English (en)
Other versions
EP1069412B1 (fr
EP1069412A3 (fr
Inventor
Hans-Joachim Gerlach
Heinz Ronald Will
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gerlach Hans-Joachim
Will Heinz Ronald
Original Assignee
Hbm Wagetechnik GmbH
Hottinger Baldwin Messtechnik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hbm Wagetechnik GmbH, Hottinger Baldwin Messtechnik GmbH filed Critical Hbm Wagetechnik GmbH
Publication of EP1069412A2 publication Critical patent/EP1069412A2/fr
Publication of EP1069412A3 publication Critical patent/EP1069412A3/fr
Application granted granted Critical
Publication of EP1069412B1 publication Critical patent/EP1069412B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/08—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for incorporation in vehicles

Definitions

  • the invention relates to a weighing device for weighing Goods on vehicles, in particular on body parts for road vehicles according to the preamble of claim 1.
  • Such a weighing method on the vehicle is known from EP 0 573 420 B1 known. There is the load or weight of the vehicle and its loading using a so-called direct weighing technique determined. These are directly on the rigid frame of the vehicle chassis transducer attached, located nearby the suspension points between the chassis and the axles. With these transducers the deformation of the frame measured, which is proportional to the load or weight is.
  • Such a weighing method is very simple, but too imprecise for more accurate verifiable weighing systems. In particular, an accurate measurement with inclined stands is likely Vehicles only with a larger computational evaluation process to be possible.
  • DE 29 521 150 U1 describes a weighing device for a Vehicle known in the case between the bodies to be weighed and one or more load cells are arranged in the vehicle chassis with which the weight of the superstructure or its content can be determined. To do this, the vehicle must be horizontal stand straight on a surface or it is with Provided with the aid of an inclination sensor and arithmetic circuits, correct the skewness arithmetically. For horizontal Restraint of the structure when the vehicle is not inclined is additional still provided, the superstructures opposite the vehicle chassis horizontal handlebars against lateral displacement to secure. Such an inclination correction has the Disadvantage that an inclination sensor also causes a measurement error, the additional weighing result via the correction calculations adulterated. In addition, the horizontal fixation with the help of the handlebars very complex and it can cause additional measurement errors due to force shunt effects enter.
  • the invention is therefore based on the object of a weighing device of the type mentioned at the outset the influence of the inclination of the vehicle on the measurement error Minimum reduced and this with the simplest design.
  • the invention has the advantage that the pendulum suspended Load cells the weight of the vehicle body Always align the load cells in the direction of gravity and this regardless of the vehicle inclination. There is an inclination correction to determine the weight of the superstructure or its content can be dispensed with. Furthermore, be more advantageous Way through the swinging suspension of the load cells the vehicle bodies vertical and in relation to the vehicle frame a predetermined area also fixed horizontally so that Handlebars and the like as anti-lift and limiting means are not required for horizontal displacement. Such an oscillating suspension of the load cells therefore detects the weight to be measured also advantageously Inclination of the vehicle without force shunt so that high-precision verifiable weight measurement is also possible is.
  • the weighing device with rod-shaped, rotationally symmetrical load cells is advantageous a space-saving arrangement on the side of the standard frame elements of the vehicles possible, because even in proportion the load cells are relatively high have a slim design. With such an execution can the oscillating storage in an advantageous manner also in the force transmission and force transmission elements be integrated or simply connected to them become.
  • load cells When using such rotationally symmetrical rod-shaped It is particularly advantageous for load cells to have good ones Have permanent load properties, so that these also Driving operation can remain in the power flow and so easily reproducible Deliver measured values. Otherwise, these are load cells easy and inexpensive to manufacture and also dynamic Relatively insensitive to loads.
  • Fig. 1 of the drawing is an arrangement of a weighing device shown on a vehicle, consisting of four load cell devices 3, 6 between the vehicle frame 2 and the vehicle body consists, the structure oscillating on the four load cell devices 3, 6 is suspended.
  • the vehicle shown is a truck 1, whose vehicle body is designed as a loading area 5 is.
  • the weighing device can also be used for railbound and other vehicles.
  • the one shown Truck 1 has a under the bed 5 Frame 2, which has a longitudinal spar 4 on each side the two load cell devices 3, 6 are arranged.
  • the four load cell devices 3, 6 support the vehicle body 5 and fix at four points opposite the vehicle frame 2 this largely in its vertical and horizontal position.
  • the loading area 5 is opposite the frame 2 through the Load cell devices 3, 6 suspended like a handlebar, so that a lateral displacement range of approx. 10 to 20 mm is provided is the load cell device when the vehicle 1 is in an inclined position 3, 6 always aligned in the direction of gravity.
  • This lateral displacement area covers all directions and is substantially the axial length of the load cell device 3, 6 dependent.
  • a load cell device 3, 6 with a rod-shaped load cell with spherical joints usually has a length of about 100 to 200 mm, so that a sideways shift range from 10 to 20 mm is sufficient to always have a vertical alignment in To ensure the direction of gravity.
  • the weighing device shown there are four load cell devices 3, 6 at the corner areas under the vehicle body 5 arranged, which are interconnected so that they a Deliver a signal that is directly related to the weight of the body 5 together with its content is proportional.
  • the weighing device can but also from three or more than four load cell devices 3, 6 exist.
  • Part of the vehicle body 5 is in the upper area can be seen on which a downward-facing rectangular Tag 15 from flat sheet metal parts is attached.
  • This remodeling 15 has a horizontal sheet metal part on its lower part 7, which is connected to the vertical sheet metal parts and to which a weight sensor 10 is attached.
  • the entire load cell device 3, 6 from the conversion parts 15, 14, the weight sensor 10 with its attachment and evaluation parts can also be provided as a module unit and over Connecting elements on vehicle body 5 and vehicle frame 2 be attached.
  • the weight sensor 10 consists essentially of a rod-shaped deformation body 20, on the strain gauge 13 are applied and with force introduction and force transmission parts connected is.
  • the deformation body is as Round rod 20 formed, the top and bottom in a threaded part 11, 17 expires.
  • the deformation body can also be square, rectangular or modified cross-sectional shapes exhibit.
  • the threaded part 11, 17 is each with a spherical connected to the outside arched bearing element 12, 18 and forms a force application and force transmission part.
  • the spherical bearing elements 12, 18 are also spherical Counter bearing elements 8, 19 arranged, however, inwards are arched and thus the shape of the force introduction 12th and diversion elements 18 are adapted and form so-called Axial spherical plain bearings.
  • Ball bearings 9 are provided between the bearing 12, 18 and counter bearing elements 8, 19 for reducing friction. To reduce friction are also low-friction plastics such as polytetrafluoroethylene (PTFE) or lubricants can be used.
  • the counter bearing elements 8, 19 are each via a detachable connection attached to the horizontal conversion parts 7, 16.
  • FIG. 3 of the drawing is a load cell device 3, 6 shown as a sectional view from the direction of travel. 3 the drawing are the same as shown in Fig. 2 Parts have the same reference numbers.
  • the rotationally symmetrical weight sensor 10 laterally next to the U-shaped longitudinal beam 4 of the vehicle frame 2 and arranged connected to this via the smaller rectangular tag 16.
  • the larger conversion 15 in the upper area Vehicle body 5 attached. Between the vehicle body 5 and the vehicle frame 2 as well as between the conversion part 15, 14 is a vertical 21 and horizontal distance 22 of approximately 10 up to 20 mm provided in order to tilt the vehicle 1 shows a vertical alignment of the weight sensors 10 enable. These distances 21, 22 are only during weighing necessary.
  • the vehicle body 5 is at least in a horizontal Fixed location. You can do this, not shown, vertically trained conical bolts are provided from below through holes in the side member 4 in holes in the body 5 be put.
  • Such a locking device can also automatically via a hydraulic or pneumatic cylinder or any other type of drive. To do this at the same time electronic switching and display devices provided that only allow body weighing if the locking device is released so that the structure 5 gravity-free in the direction of gravity due to gravity is aligned. On the other hand is defined by a Weight display shows the driver that the Structure secured by the lock for driving is.
  • the locking device can also be hydraulic or Pneumatic cylinders or inflatable rubber bellows or with any Drives take place that the lateral horizontal Spaces 21 between the conversion parts 15, 14 or the conversion parts 15, 14 and fill or reduce the vehicle frame 2.
  • the structure 5 can be locked opposite the vehicle frame 2 is also made by cable pull systems, which are loosened to weigh the superstructure 5 or the goods.
  • the weight sensor 10 is advantageously a rod-shaped largely rotationally symmetrical load cell used, 20 strain gauges on their circumference in the central area of the rod 13 are applied.
  • the deformation of the load cells 10 generate a signal in the strain gauges 13, that is proportional to the weight force introduced.
  • load cells can also be used that are suspended in this way, that the structure is always aligned in the measuring direction. So can between the spherical force 12 and force diversion elements 18 also rotationally symmetrical jump ring or Bending beam load cells are arranged with the weight of the structure 5 and its content can be detected.
  • the force 12 and force elements 18 do not have to spherical, but can also be a universal joint, as tapered tip bearings, self-aligning ball bearings or similar Execution be trained. It just has to a largely friction-free storage after all horizontal Pages are provided between which the load cells are arranged are.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Vehicle Body Suspensions (AREA)
  • Testing Of Balance (AREA)
EP20000114642 1999-07-07 2000-07-07 Appareil de pesage pour peser des objets sur des véhicules Expired - Lifetime EP1069412B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1999131381 DE19931381A1 (de) 1999-07-07 1999-07-07 Wägeeinrichtung zum Verwiegen von Gütern auf Fahrzeugen
DE19931381 1999-07-07

Publications (3)

Publication Number Publication Date
EP1069412A2 true EP1069412A2 (fr) 2001-01-17
EP1069412A3 EP1069412A3 (fr) 2001-11-07
EP1069412B1 EP1069412B1 (fr) 2006-09-13

Family

ID=7913959

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20000114642 Expired - Lifetime EP1069412B1 (fr) 1999-07-07 2000-07-07 Appareil de pesage pour peser des objets sur des véhicules

Country Status (2)

Country Link
EP (1) EP1069412B1 (fr)
DE (2) DE19931381A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10300087B4 (de) * 2002-01-07 2005-08-25 Inwatec Gmbh Messvorrichtung für Eckkräfte von Wagenkästen

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014009847B4 (de) 2014-07-02 2018-03-22 Hottinger Baldwin Messtechnik Gmbh Wägezelle mit hydraulischer Zentriervorrichtung
DE102019127587B4 (de) * 2019-10-17 2025-05-08 Kurt Willig Gmbh & Co. Kg Tankfahrzeug mit kardanisch gelagerter Kraftmesszelle

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3042086A1 (de) * 1980-11-07 1982-06-24 Siemens AG, 1000 Berlin und 8000 München Waegezelle vom pendelstuetzentyp
CH639609A5 (fr) * 1980-12-09 1983-11-30 Vibro Meter Ag Camion avec un dispositif de mesure de la charge utile et de la charge sur les essieux dudit camion.
DE69115406T2 (de) * 1990-09-21 1996-07-25 Nuyts Orb N V Mobiles Gerät zum Wiegen einer Ladung
EP0513463A1 (fr) * 1991-05-17 1992-11-19 Padro i Rubi, D. Ferran Appareil de pesage pouvant être incorporé dans des véhicules de transport de marchandises
NL9101201A (nl) * 1991-07-09 1993-02-01 Welvaarts B V Belastingcel en weeginrichting uitgerust met dergelijke belastingcellen.
BE1006719A7 (nl) * 1993-02-15 1994-11-22 Nuyts Orb Nv Beschermde weegophanging.
DE29601398U1 (de) * 1996-01-27 1997-07-24 Schwelm Anlagenbau GmbH, 58332 Schwelm Wägeelement
DE19619109C1 (de) * 1996-05-11 1998-01-22 Tedea Huntleigh Europ Ltd Wägestütze für Fahrzeugaufbauten

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10300087B4 (de) * 2002-01-07 2005-08-25 Inwatec Gmbh Messvorrichtung für Eckkräfte von Wagenkästen
DE10300087B8 (de) * 2002-01-07 2007-08-23 Inwatec Gmbh Messvorrichtung für Eckkräfte von Wagenkästen

Also Published As

Publication number Publication date
EP1069412B1 (fr) 2006-09-13
DE50013451D1 (de) 2006-10-26
EP1069412A3 (fr) 2001-11-07
DE19931381A1 (de) 2001-01-11

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